US medtech giant Stryker suffers a global outage after a cyberattack; staff and contractors say an Iran-linked hacking group's logo appeared on login pages (James Rundle/Wall Street Journal)

US medtech giant Stryker suffers a global outage after a cyberattack; staff and contractors say an Iran-linked hacking group's logo appeared on login pages (James Rundle/Wall Street Journal) - Tech Sentiments